I have a '93 Del Sol SI with a D16z6 in it. I really like the engine and as of now has 189,000 miles on it. Im pretty sure i'm going to swap it soon as it needs a new timing belt and I want a few extra horsies.

Now I have read up a bit on the B16A and the B18C(GSR) and they both look like pretty well suited canidates for the Sol.
My '93 is a 5 speed manual, and I was wondering if when I buy either the B16 or the B18 if I need to replace the tranny or if I can keep my stocker. I read around here that both are direct bolt in and so im guessing I wouldnt have to.
Also, my decision between the 2 motors is determined by how much money I have on hand when I pull out the D16.
If anyone has any info/help/opinion about the swap, I would be pleased to hear it.
Thanks in advance!

-Andrew